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Linux Kernel security developer, working for Microsoft. Also W7TXT. Views are my own.
Topics: #Linux #kernel #security, #amateurradio, #RF, #hamradio, #electronics, #science, #radioastronomy, #physics, #space, #arduino.

📡 https://w7txt.net/
🐧 https://blog.namei.org/
☠️ https://www.facebook.com/w7txt
jmorris
repeated
LinuxSecSummit

Linux Security Summit 🐧

LSS-EU kicks off today in Amsterdam, with conference chair Elena Reshetova presenting opening remarks.

https://lsseu2025.sched.com/list/simple
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jmorris

James Morris

Reply to @jmorris
Answer: Foam photography museum in Amsterdam.
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jmorris

James Morris

Reply to @Gina@fosstodon.org
@Gina yes, or you could replace the wires in that connector with longer ones. Looks like 240v? That is potentially deadly, FYI.
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James Morris

Where am I? Wrong answers welcome.
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James Morris

Got addicted to Severance on a recent flight, but I need to subscribe to 🍏 tv to see the full season now. This dystopia is getting very ~meta~ blobcatchefskiss
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James Morris

Reply to @MLE_online@social.afront.org
@MLE_online should drown out the screaming for a while?
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James Morris

Reply to @securepaul@hachyderm.io
@jann @securepaul yep, it was hit by spam bots and I haven’t had time to clean it up.
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jmorris
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l0kod@mastodon.social

Mickaël Salaün

Edited 3 months ago

AI agents can potentially gain extensive access to user data, and even write or execute arbitrary code.

OpenAI Codex CLI uses sandboxing to reduce the risk of buggy or malicious commands: https://github.com/openai/codex/pull/763

For now, it only blocks arbitrary file changes, but there’s room to strengthen protections further, and the ongoing rewrite in will help: https://github.com/openai/codex/pull/629

Landlock is designed for exactly this kind of use case, providing unprivileged and flexible access control.

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James Morris

Reply to
@Geojoek no point wasting power if the signal only needs to go in a particular direction
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James Morris

Reply to
@HopelessDemigod @brhfl is that legal?
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James Morris

Reply to @brauner@mastodon.social
@brauner @jann How so?
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jmorris

James Morris

Reply to @david_chisnall@infosec.exchange
@david_chisnall @bradley @DavyJones also, the LLM you're using for all this might be compromised.
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James Morris

Reply to
@Geojoek they look like AM radio towers to me.
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James Morris

Reply to @jmorris
Here's another 3D print project: a mounting bracket for W1GHZ dual-band microwave feed horns (10 GHz + 24 GHz).

https://github.com/xjamesmorris/dual-band-10-24-ghz-feed-mount

#amateurradio #hamradio #3dprinting #rf #microwave
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James Morris

@root42 Berlin is full of surprises.

RE: https://metapixl.com/p/root42/856229543832290223
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James Morris

Reply to @SuperSelena64@vmst.io
@SuperSelena64 chaotic good
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James Morris

Reply to @hyeyoo
@hyeyoo yep, Autosel has been using 'AI' for years, before it was cool.
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jmorris

James Morris

Anyone using Claude for kernel / system level development? How do you make the most of it?
I like the idea of having something which can do deep code review - eg. does this code actually do what I specified? Are there any bugs? Obviously - but also not so obviously in a complex system. Have I broken layering abstractions? Is the code maintainable? What does the maintainer of this subsystem expect? Etc.
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James Morris

Reply to @niconiconi@mk.absturztau.be
@niconiconi interesting - I guess they are old tech, so old that they may not have been imported to China at the time. You’d expect to see locally made versions though?
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James Morris

Reply to @arnobert@chaos.social
@niconiconi @arnobert very nice! Haven’t seen these before.
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